fits the pieces of the jigsaw together slightly differently to suggest three elements in the total picture. • A missionary purpose To gain support from the church for his mission to Spain. • An apologetic purpose To develop a defence of his understanding of the gospel which he felt to be under attack, and thus to gain support from the church at Rome for himself against his opponents. • A pastoral purpose To deal with the problem of divisions, real or potential within the church. Digging deeper Read